Home / 249,531,605.20-374,322,420.60-85,747,790.80

Finding the Fourth Proportional to 249,531,605.20, 374,322,420.60 and 85,747,790.80

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Solution

The fourth proportional to 249,531,605.20, 374,322,420.60 and 85,747,790.80 is: 128,630,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,531,605.20 : 374,322,420.60 = 85,747,790.80 : x
  2. Step 2: Convert to fraction form
    249,531,605.20/374,322,420.60 = 85,747,790.80/x
  3. Step 3: Cross multiply
    249,531,605.20x = 374,322,420.60 × 85,747,790.80
  4. Step 4: Simplify right side
    249,531,605.20x = 32,097,320,613,358,412
  5. Step 5: Solve for x
    x = 32,097,320,613,358,412/249,531,605.20
  6. Step 6: Final answer
    x = 128,630,281.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.